Calculadora de Pintura — m, m², liters & cost
Como usar esta calculadora
Elija un modo de superficie — room muros, ceiling, single wall, or custom area. Ingrese las dimensiones in meters, centimeters, or millimeters. Select paint type and numero de capas. Las puertas y ventanas se deducen automaticamente. Los resultados se actualizan al instante.
Tipos de pintura — Flat/Matte (12 m²/L), Eggshell (10), Satin (10), Semi-Gloss (10), Gloss (9).
Primer — 1 coat at 10 m²/L for new plaster, dark-to-light colour changes, or stain blocking.
Cost — price per liter of paint and primer, plus optional flat-rate for supplies. Currency selector: €, zł, Kč, kr.
Calculos guardados
| Hora | Mode | Area m² | Paint L | Primer L | Capas | Total |
|---|
How to Calculate Paint for a Room (Metric)
Esta calculadora de pintura estimates the liters of paint and primer needed for muros, ceilings, or any custom surface area. Ingrese las dimensiones de la habitacion in meters, centimeters, or millimeters, choose your paint finish (flat, eggshell, satin, semi-gloss, or gloss), select the numero de capas, and optionally add primer. Doors (1.89 m² each) y ventanass (1.20 m² each) are automatically subtracted.
Formulas Used
Paintable area = wall perimeter × height − doors − windows.
Paint liters = ceil(paintable area × coats × (1 + waste%) ÷ cobertura por liter).
Primer liters = ceil(paintable area × (1 + waste%) ÷ 10).
Paint Coverage by Finish
Flat/Matte: 12 m²/L — best for ceilings and low-traffic areas. Eggshell: 10 m²/L — most popular for living rooms and bedrooms. Satin: 10 m²/L — kitchens, bathrooms, hallways. Semi-Gloss: 10 m²/L — trim, doors, cabinets. Gloss: 9 m²/L — high-moisture areas and accent surfaces.
Preguntas frecuentes
Do I need primer? Yes, if painting new plaster, going from dark to light colours, or covering stains. One coat of primer at 10 m²/L is sufficient for most situations.
